module 'tensorflow' has no attribute 'placeholder' error

[monistan]

Hi, I keep getting stuck on this error when I try to run train.py What is going on and how can I fix this? ELI5 please because I'm new at this.

File "train.py", line 557, in main() File "train.py", line 388, in main silence_threshold=args.silence_threshold) File "~/audio_reader.py", line 64, in init self.sample_placeholder = tf.placeholder(dtype=tf.float32, shape=None) AttributeError: module 'tensorflow' has no attribute 'placeholder'